code: def test_schultz_and_gutman_index_of_complete_graph():
      n = 5
      cg = nx.complete_graph(n)
  
      expected_1 = n * (n - 1) * (n - 1)
      actual_1 = nx.schultz_index(cg)
  
      assert expected_1 == actual_1
  
      expected_2 = n * (n - 1) * (n - 1) * (n - 1) / 2
      actual_2 = nx.gutman_index(cg)
  
      assert expected_2 == actual_2
  
file_path: networkx/networkx/algorithms/tests/test_wiener.py
imports: import networkx
label_desc: Use image node_id 8 for calling a global function with example usage: test_schultz_and_gutman_index_of_complete_graph() without return types